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Ben: I’m free.
Janet: My friends and I plan to go on a picnic.
Ben: A picnic?
Janet: On Sunday morning.
Ben: OK.
Janet: Let’s meet at the school gate at 9:00 a. m. What about you, Jiamin?
Jiamin: I’m sorry.
Janet: No problem. Maybe next time.
Jiamin: Thank you!
| A．Would you like to go with us? |
| B．That sounds great! |
| C．What time shall we meet? |
| D．Have a good time. |
| E．I’m going to stay at home. |
| F．I have no time this Sunday morning. |
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
